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Finding the Fourth Proportional to 85,311.95, 127,992.51 and 26,156.34

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Solution

The fourth proportional to 85,311.95, 127,992.51 and 26,156.34 is: 39,242.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,311.95 : 127,992.51 = 26,156.34 : x
  2. Step 2: Convert to fraction form
    85,311.95/127,992.51 = 26,156.34/x
  3. Step 3: Cross multiply
    85,311.95x = 127,992.51 × 26,156.34
  4. Step 4: Simplify right side
    85,311.95x = 3,347,815,609.01
  5. Step 5: Solve for x
    x = 3,347,815,609.01/85,311.95
  6. Step 6: Final answer
    x = 39,242.05

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